package com.wuzao.dataStructure.mapTest.stackTest;

import org.junit.Test;

import java.util.Stack;

public class StackTest {
    @Test
    public void test(){
        Stack<Integer> stack = new Stack<>();
        System.out.println(stack.isEmpty());
        stack.push(stack.push(1));
        int i = stack.pop();
        System.out.println(i);
    }
}
